The Cardiovascular System - Topic 1 Flashcards
Why do we need the cardio vascular system?
To provide O2, nutrients and water. And to move immune cells, antibodies, platelets, hormones, waste and RBCs
What are the 3 components of the CVS?
The heart (pump), blood vessels (circulatory system) and the blood circulating the CVS
How does blood flow in the body?
The right side of the heart pumps deoxygenated blood from the body (vena cavas) into the lungs via the right pulmonary artery.
The left side of the heart pumps oxygenated blood to the body via the aorta.
What is pulmonary circulation?
Deoxygenated blood pumped to the lungs by the left side of the heart
What is systemic circulation?
Oxygenated blood pumed to the body by the left side of the heart.
What are the two types of cells in the heart?
Autorythmic and Contractile cells
Where is the hearts pacemaker?
I’m the sino atrial node
What type of cells are the SA node made of?
Autorhythmic cells